Loudspeaker



FIG. 1 is a top, front, right side perspective view of a loudspeaker;

FIG. 2 is a back, bottom, left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating portions of the loudspeaker that form no part of the claim. 

CLAIM The ornamental design for a loudspeaker, substantially as shown and described. 